54573557 has 4 divisors (see below), whose sum is σ = 56048556. Its totient is φ = 53098560.

The previous prime is 54573523. The next prime is 54573581. The reversal of 54573557 is 75537545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23726641 + 30846916 = 4871^2 + 5554^2 .

It is a cyclic number.

It is not a de Polignac number, because 54573557 - 2¹² = 54569461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54579557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 737444 + ... + 737517.

It is an arithmetic number, because the mean of its divisors is an integer number (14012139).

Almost surely, 2^54573557 is an apocalyptic number.

It is an amenable number.

54573557 is a deficient number, since it is larger than the sum of its proper divisors (1474999).

54573557 is a wasteful number, since it uses less digits than its factorization.

54573557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474998.

The product of its digits is 367500, while the sum is 41.

The square root of 54573557 is about 7387.3917589363. The cubic root of 54573557 is about 379.3098206199.

The spelling of 54573557 in words is "fifty-four million, five hundred seventy-three thousand, five hundred fifty-seven".